JP3580273B2 - Sir測定システムと装置及び方法 - Google Patents
Sir測定システムと装置及び方法 Download PDFInfo
- Publication number
- JP3580273B2 JP3580273B2 JP2001223349A JP2001223349A JP3580273B2 JP 3580273 B2 JP3580273 B2 JP 3580273B2 JP 2001223349 A JP2001223349 A JP 2001223349A JP 2001223349 A JP2001223349 A JP 2001223349A JP 3580273 B2 JP3580273 B2 JP 3580273B2
- Authority
- JP
- Japan
- Prior art keywords
- sir
- path
- signal
- output
- paths
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001223349A JP3580273B2 (ja) | 2001-07-24 | 2001-07-24 | Sir測定システムと装置及び方法 |
US10/199,013 US7085311B2 (en) | 2001-07-24 | 2002-07-22 | Apparatus and method for measuring SIR in CDMA communication system |
EP20020016287 EP1280282B1 (de) | 2001-07-24 | 2002-07-23 | Gerät und Verfahren zum Messen des Signal-Stör-Verhältnisses in einem Rake-Empfänger |
DE60233620T DE60233620D1 (de) | 2001-07-24 | 2002-07-23 | Gerät und Verfahren zum Messen des Signal-Stör-Verhältnisses in einem Rake-Empfänger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001223349A JP3580273B2 (ja) | 2001-07-24 | 2001-07-24 | Sir測定システムと装置及び方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2003037524A JP2003037524A (ja) | 2003-02-07 |
JP3580273B2 true JP3580273B2 (ja) | 2004-10-20 |
Family
ID=19056702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001223349A Expired - Fee Related JP3580273B2 (ja) | 2001-07-24 | 2001-07-24 | Sir測定システムと装置及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7085311B2 (de) |
EP (1) | EP1280282B1 (de) |
JP (1) | JP3580273B2 (de) |
DE (1) | DE60233620D1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100498921B1 (ko) * | 2001-08-23 | 2005-07-04 | 삼성전자주식회사 | 이동통신 시스템의 수신 신호대간섭비 측정장치 및 방법 |
JP3588087B2 (ja) * | 2002-04-19 | 2004-11-10 | 松下電器産業株式会社 | Sir測定装置および方法 |
ATE381154T1 (de) | 2004-07-19 | 2007-12-15 | Koninkl Philips Electronics Nv | Sir-schätztechniken |
JP2008160380A (ja) * | 2006-12-22 | 2008-07-10 | Nec Corp | セル間干渉抑圧方法、無線基地局、ユーザ端末 |
JP4924201B2 (ja) * | 2007-05-23 | 2012-04-25 | 日本電気株式会社 | 受信品質測定装置および受信品質測定方法 |
JP5231762B2 (ja) * | 2007-07-02 | 2013-07-10 | 富士通株式会社 | 受信機及び受信処理方法 |
CN101953085B (zh) | 2008-02-26 | 2014-02-26 | 交互数字技术公司 | 用于估计信干比的方法和设备 |
US8442132B2 (en) * | 2009-02-24 | 2013-05-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for allocating processing delays in multi-carrier systems |
US8861623B2 (en) * | 2009-05-27 | 2014-10-14 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for allocating processing delays in multi-carrier systems |
US20100215083A1 (en) * | 2009-02-24 | 2010-08-26 | Elias Jonsson | Method for Allocating Rake Fingers in Multi-Carrier Systems |
US8279911B2 (en) | 2009-03-24 | 2012-10-02 | Qualcomm Incorporated | Systems, computer program products, and methods using carrier phases to detect multipath signals |
US8886058B2 (en) * | 2012-06-04 | 2014-11-11 | Cisco Technology, Inc. | Cycle slip reduction in coherent optical communications |
US9413575B2 (en) | 2013-03-15 | 2016-08-09 | Echelon Corporation | Method and apparatus for multi-carrier modulation (MCM) packet detection based on phase differences |
US9363128B2 (en) | 2013-03-15 | 2016-06-07 | Echelon Corporation | Method and apparatus for phase-based multi-carrier modulation (MCM) packet detection |
US9693240B2 (en) | 2015-05-29 | 2017-06-27 | Interdigital Technology Corporation | Methods and apparatuses for advanced receiver design |
CN108540380B (zh) * | 2017-03-02 | 2021-08-20 | 华为技术有限公司 | 多子流网络传输方法及装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6341224B1 (en) * | 1996-06-27 | 2002-01-22 | Ntt Mobile Communications Network, Inc. | Power controller for mobile communication system wherein a signal to interference threshold is dynamically moved based on an error rate measurement |
JP2923867B2 (ja) | 1996-10-28 | 1999-07-26 | 日本電気株式会社 | 送信電力制御方式 |
KR19980033998A (ko) * | 1996-11-04 | 1998-08-05 | 김광호 | 무선 전송 시스템에서 공간 다이버시티를 적용한 수신 장치 및 방법 |
JPH10190497A (ja) | 1996-12-27 | 1998-07-21 | Fujitsu Ltd | Sir測定装置 |
JP3462364B2 (ja) | 1997-06-02 | 2003-11-05 | 株式会社エヌ・ティ・ティ・ドコモ | 直接拡散cdma伝送方式におけるrake受信機 |
JP2870526B1 (ja) | 1997-09-04 | 1999-03-17 | 日本電気株式会社 | Cdma受信装置 |
JP2982797B1 (ja) | 1998-08-03 | 1999-11-29 | 日本電気株式会社 | Cdma受信装置における復調回路 |
JP2991196B1 (ja) | 1998-08-24 | 1999-12-20 | 日本電気株式会社 | Cdma受信方法および受信機 |
US6717976B1 (en) | 1998-12-21 | 2004-04-06 | Nortel Networks Ltd. | Method and apparatus for signal to noise power ratio estimation in a multi sub-channel CDMA receiver |
JP2000236296A (ja) | 1999-02-12 | 2000-08-29 | Oki Electric Ind Co Ltd | 送信電力制御回路 |
JP4141567B2 (ja) | 1999-02-25 | 2008-08-27 | 三菱電機株式会社 | ビーム重み付け合成受信装置 |
JP2001036480A (ja) | 1999-07-16 | 2001-02-09 | Matsushita Electric Ind Co Ltd | 送受信装置 |
KR100416973B1 (ko) * | 1999-12-31 | 2004-02-05 | 삼성전자주식회사 | 멀티캐리어 통신시스템의 순방향 전력제어 장치 및 방법 |
EP1117186A1 (de) * | 2000-01-14 | 2001-07-18 | Lucent Technologies Inc. | Adaptiver Kodenachlauf-RAKE-Empfänger für CDMA-Nachrichtenübertragung |
JP2001244859A (ja) | 2000-02-29 | 2001-09-07 | Toshiba Corp | 移動無線通信端末 |
JP3714406B2 (ja) | 2001-04-27 | 2005-11-09 | 日本電気株式会社 | W−cdma方式を用いた送信電力制御回路 |
JP2003008548A (ja) | 2001-06-19 | 2003-01-10 | Oki Electric Ind Co Ltd | 無線伝搬路評価装置 |
-
2001
- 2001-07-24 JP JP2001223349A patent/JP3580273B2/ja not_active Expired - Fee Related
-
2002
- 2002-07-22 US US10/199,013 patent/US7085311B2/en not_active Expired - Fee Related
- 2002-07-23 DE DE60233620T patent/DE60233620D1/de not_active Expired - Lifetime
- 2002-07-23 EP EP20020016287 patent/EP1280282B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20030021336A1 (en) | 2003-01-30 |
DE60233620D1 (de) | 2009-10-22 |
EP1280282A3 (de) | 2004-02-11 |
EP1280282A2 (de) | 2003-01-29 |
EP1280282B1 (de) | 2009-09-09 |
US7085311B2 (en) | 2006-08-01 |
JP2003037524A (ja) | 2003-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7167456B2 (en) | Apparatus for estimating propagation path characteristics | |
JP3580273B2 (ja) | Sir測定システムと装置及び方法 | |
KR100220140B1 (ko) | 씨디엠에이 전송 시스템의 확산 스펙트럼 코드를 초기 동기시키 기 위한 장치 및 방법 | |
JP4295112B2 (ja) | コード化信号処理エンジンのための干渉行列の構成 | |
JP2982797B1 (ja) | Cdma受信装置における復調回路 | |
JPH0750651A (ja) | 符号分割多重アクセス無線通信のための同期化方法 | |
WO2002078213A1 (en) | Method and apparatus for estimating doppler spread | |
JPH1051355A (ja) | スペクトル拡散通信装置 | |
US6104747A (en) | Method for determining optimum number of complex samples for coherent averaging in a communication system | |
JPH1168700A (ja) | スペクトル拡散通信方式 | |
US6256338B1 (en) | Method for determining fading correction factor in a communication system | |
JP3875998B2 (ja) | 通信システム用装置および方法 | |
US6674792B1 (en) | Demodulation of receiver with simple structure | |
EP0966110A2 (de) | Fingerempfangseinheit geeignet zum Nachführen einen schnellen Änderung eines Verzögerungsprofils | |
US20020136234A1 (en) | Tuning the fingers of rake receiver | |
JP3794617B2 (ja) | Cdma移動通信方式における移動局のセルサーチ方法、並びに、cdma移動通信システム | |
JP2855170B2 (ja) | Cdma復調回路および復調方法 | |
WO2003077438A1 (fr) | Recepteur et procede de controle de frequence automatique | |
JP2004289758A (ja) | 干渉低減装置 | |
JP2004304412A (ja) | 移動通信装置における復調器 | |
KR20010025817A (ko) | 씨디엠에이 시스템의 역방향 링크에서의 채널 추정장치 | |
JP2002237765A (ja) | 受信回路 | |
JP2003163613A (ja) | 受信装置及び受信方法 | |
JP2001196968A (ja) | レイク受信機 | |
JP2003163615A (ja) | Cdma信号受信装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20040219 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040330 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040531 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20040629 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20040712 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070730 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080730 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090730 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100730 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110730 Year of fee payment: 7 |
|
LAPS | Cancellation because of no payment of annual fees |